Terrence John Pannowitz (born 19 September 1942) is an Australian former rugby league player.
Pannowitz was raised in Maitland, New South Wales, where he attended Marist Brothers.
A lightly built lock, Pannowitz was a Newcastle, NSW Country, NSW and Australia representative player. He toured New Zealand in 1965 with the national team, taking the place of an injured Johnny Raper. At club level, Pannowitz was a stalwart of the Maitland Pickers, for which he made a record 270 appearances. He was the 1966 Country Player of the Year. In the 1980s, Pannowitz had stints coaching Newcastle and NSW Country Seconds.